digitoxin
noun
digi·tox·in ˌdi-jə-ˈtäk-sən 
: a poisonous cardiotonic glycoside C41H64O13 that is the most active constituent of digitalis
also : a mixture of digitalis glycosides consisting chiefly of digitoxin
Word History
Etymology
International Scientific Vocabulary, blend of New Latin Digitalis and International Scientific Vocabulary toxin
First Known Use
1875, in the meaning defined above
Medical Definition
digitoxin
noun
dig·i·tox·in ˌdij-ə-ˈtäk-sən
: a poisonous glycoside C41H64O13 that is the most active constituent of digitalis
also : a mixture of digitalis glycosides consisting chiefly of digitoxin